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101221023023 is a prime number
BaseRepresentation
bin101111001000100111…
…1100011110100101111
3100200021021012201221122
41132101033203310233
53124300040214043
6114300021451155
710212231333251
oct1362117436457
9320237181848
10101221023023
1139a226a083a
121774a870abb
139711784b83
144c832a3cd1
152976529368
hex17913e3d2f

101221023023 has 2 divisors, whose sum is σ = 101221023024. Its totient is φ = 101221023022.

The previous prime is 101221023017. The next prime is 101221023031. The reversal of 101221023023 is 320320122101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101221023023 - 214 = 101221006639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101221022992 and 101221023010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101221020023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610511511 + 50610511512.

It is an arithmetic number, because the mean of its divisors is an integer number (50610511512).

Almost surely, 2101221023023 is an apocalyptic number.

101221023023 is a deficient number, since it is larger than the sum of its proper divisors (1).

101221023023 is an equidigital number, since it uses as much as digits as its factorization.

101221023023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 101221023023 its reverse (320320122101), we get a palindrome (421541145124).

The spelling of 101221023023 in words is "one hundred one billion, two hundred twenty-one million, twenty-three thousand, twenty-three".